Ноутбук Acer swift 3 SF314-55. Проблема следующая:
$ uname -r
5.5.9-arch1-2
$ lspci | grep audio
00:1f.3 Multimedia audio controller: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 30)
$ aplay -l
aplay: device_list:274: no soundcards found...
В dmesg:
[ 4.119094] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100
[ 4.119950] sof-audio-pci 0000:00:1f.3: Digital mics found on Skylake+ platform, using SOF driver
[ 4.119970] sof-audio-pci 0000:00:1f.3: enabling device (0000 -> 0002)
[ 4.120174] sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found
[ 4.120180] sof-audio-pci 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if 0x040100
[ 4.120360] sof-audio-pci 0000:00:1f.3: use msi interrupt mode
[ 4.120572] sof-audio-pci 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 4.123898] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM
[ 4.129490] sof-audio-pci 0000:00:1f.3: hda codecs found, mask 5
[ 4.129492] sof-audio-pci 0000:00:1f.3: using HDA machine driver skl_hda_dsp_generic now
[ 4.189781] iwlwifi 0000:00:14.3: FW already configured (0) - re-configuring
[ 4.218735] sof-audio-pci 0000:00:1f.3: Direct firmware load for intel/sof/sof-cnl.ri failed with error -2
[ 4.218745] sof-audio-pci 0000:00:1f.3: error: request firmware intel/sof/sof-cnl.ri failed err: -2
[ 4.218749] sof-audio-pci 0000:00:1f.3: error: failed to load DSP firmware -2
[ 4.219886] sof-audio-pci 0000:00:1f.3: error: sof_probe_work failed err: -2
В 5.4.14 всё работает, в 5.4.15 - уже нет.
UPDATE: snd_hda_intel.dmic_detect=0 решает проблему.
